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The amount of time the upgrade takes will vary between systems. Wait while the upgrade process kicks off - your computer will be restarted several times throughout this process. Enter your Windows 10 Pro product key and make sure all open applications are closed and your work is saved, then start the upgrade. Go to "System" - "About" and "Change product key" (Click "Yes", if User Account Control comes up)Ĥ. In that case it is necessary to perform a clean installation (see Option 1).ģ. If those two points apply to you, it is obvious that some important system files are missing. If error code "0x800f0805" appears after applying the default product key, please make sure that you have at least 20 GB of free disc space and that Windows is updated to it's latest version. If it's not accepted, apply the default product key: "VK7JG-NPHTM-C97JM-9MPGT-3V66T" Press the "Windows key" + "R", type "slui.exe" and hit "Enter"Ģ. Please proceed with this when you are currently using Windows 10 Home and want to upgrade to Proġ. Option 2: Upgrading from Windows 10 Home to Pro

Remove all partitions and create a new one to install Windows.Installation type: Custom: Install Windows only (advanced).Select your language, time, and keyboard preferences.

Boot from the USB flash drive or the DVD you have created.Select the media you want to create (USB flash drive or ISO file to create a DVD).Select Edition: Windows 10 (it includes both, Pro and Home).Create installation media for another PC.Download Windows Media Creation tool directly from Microsoft: Please proceed with this when you are currently using an older Windows version than Windows 10 or a PC without an operating systemġ. Option 1: Performing a clean installation When I press return (continue) the errors show up in "random" order.Windows 10 Pro: How to download, install and activate I used NTLite to check the install.wim and found all of these files. "The digital signature for this file couldn't be verified." Error code: 0xc0000428."The operating system coulnd't be loaded because the kernel is missing or contains errors." File."The header checksum for this file doesn't match the computed checksum." File."The operating system coulnd't be loaded because a critical system driver is missing or contains errors." File.also tried to integrate USB 3.0 Drivers from my motherboard disk into the boot.wim and install.wim on the USB drive using NTLite (but recently read that the Windows 10 ISO already has 3.0 drivers)īut whenever I try to boot I end up with one of these error messages:.

tried it with and without target SSD attached.verified it by trying to boot on a different machine and I can successfully load the windows installer.created a bootable USB drive (USB 3.0) with Rufus (with GPT, FAT32).I am trying to install Windows 10 (Enterprise) on a new system.